Networking Fundamentals: OSI 7 - Layer 1 - the physical layer
8:48
Networking Fundamentals: OSI 7 - Layer 2 - the data link layer - Part 1
19:20
OSI and TCP IP Models - Best Explanation
14:04
Stateful vs Stateless Firewalls - You NEED to know the difference
17:55
Subnet Mask - Explained
11:10
Comprendre les modèles OSI et TCP/IP
31:52
OSI Model Deep Dive
26:47
How Data moves through the Internet - Networking Fundamentals
10:50